Watseka Illinois Climate Data

Monthly Average Climate Data for Watseka Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.2 °F32.2 °F2.11 in.
February19.3 °F36.9 °F1.95 in.
March29.0 °F48.7 °F2.55 in.
April38.8 °F62.1 °F3.75 in.
May50.5 °F72.9 °F4.39 in.
June60.0 °F81.7 °F4.93 in.
July63.3 °F84.2 °F4.64 in.
August60.8 °F82.8 °F3.53 in.
September52.8 °F78.2 °F3.19 in.
October41.7 °F65.4 °F3.3 in.
November31.3 °F50.0 °F2.7 in.
December22.0 °F37.4 °F2.2 in.
Annual40.5 °F61 °F39.24 in.

Climate Data for Watseka Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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